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Mon Dec 17 22:51:33 W. Europe Standard Time 2007 Felix Martini
* (#1987) GHCi's config file in \ghc folder on Windows
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New patches:
[(#1987) GHCi's config file in \ghc folder on Windows
Felix Martini **20071217215133] {
hunk ./compiler/ghci/InteractiveUI.hs 333
+#ifdef mingw32_HOST_OS
+ let file =3D ".\\ghci.cfg"
+#else
hunk ./compiler/ghci/InteractiveUI.hs 337
+#endif
hunk ./compiler/ghci/InteractiveUI.hs 343
- either_hdl **20071212121154
The library doc index thought that the docs were in $module.html, rather
than $package/$module.html.
] =
[Fix lifting of case expressions
Roman Leshchinskiy **20071215000837
=
We have to explicity check for empty arrays in each alternative as recursi=
ve
algorithms wouldn't terminate otherwise.
] =
[Use (UArr Int) instead of PArray_Int# in vectorisation
Roman Leshchinskiy **20071215000739] =
[Fix bug in VectInfo loading
Roman Leshchinskiy **20071214230914] =
[Remove unused vectorisation built-in
Roman Leshchinskiy **20071214011015] =
[Treat some standard data cons specially during vectorisation
Roman Leshchinskiy **20071213034855
=
This is a temporary hack which allows us to vectorise literals.
] =
[More vectorisation-related built ins
Roman Leshchinskiy **20071213034839] =
[Track changes to package ndp
Roman Leshchinskiy **20071212062714] =
[Add vectorisation built-ins
Roman Leshchinskiy **20071212040521] =
[FIX #1963: catch Ctrl-C and clean up properly
Simon Marlow **20071213154056] =
[Document the new threshold flags
Roman Leshchinskiy **20071214003003] =
[Separate and optional size thresholds for SpecConstr and LiberateCase
Roman Leshchinskiy **20071214002719
=
This patch replaces -fspec-threshold by -fspec-constr-threshold and
-fliberate-case-threshold. The thresholds can be disabled by
-fno-spec-constr-threshold and -fno-liberate-case-threshold.
] =
[Make HscTypes.tyThingId respond not panic on ADataCon
simonpj@microsoft.com**20071204152903] =
[Use Unix format for RnPat (no other change)
simonpj@microsoft.com**20071213140532] =
[Improve free-variable handling for rnPat and friends (fixes Trac #1972)
simonpj@microsoft.com**20071213140213
=
As well as fixing the immediate problem (Trac #1972) this patch does
a signficant simplification and refactoring of pattern renaming.
=
Fewer functions, fewer parameters passed....it's all good. But it
took much longer than I expected to figure out.
=
The most significant change is that the NameMaker type does *binding*
as well as *making* and, in the matchNameMaker case, checks for unused
bindings as well. This is much tider.
=
(No need to merge to the 6.8 branch, but no harm either.)
=
=
] =
[Allow more than 3 simplifier iterations to be run in phase 0
Roman Leshchinskiy **20071213040835
=
The number of iterations during the first run of phase 0 was erroneously
hardcoded to 3. It should be *at least* 3 (see comments in code) but can b=
e
more.
] =
[Document -ddump-simpl-phases
Roman Leshchinskiy **20071213040822] =
[New flag: -ddump-simpl-phases
Roman Leshchinskiy **20071213040644
=
This outputs the core after each simplifier phase (i.e., it produces less
information that -ddump-simpl-iterations).
] =
[Don't dump simplifier iterations with -dverbose-core2core
Roman Leshchinskiy **20071213034635
=
SimonPJ says this is the correct behaviour. We still have
-ddump-simpl-iterations.
] =
["list --simple-output" should be quiet when there are no packages to list
Simon Marlow **20071212102230
=
Previously:
=
$ ghc-pkg list --user --simple-output
ghc-pkg: no matches
$
=
Now:
=
$ ghc-pkg list --user --simple-output
$
] =
[Fix vectorisation bug
Roman Leshchinskiy **20071206233015] =
[Vectorisation-related built ins
Roman Leshchinskiy **20071206040829] =
[Teach vectorisation about some temporary conversion functions
Roman Leshchinskiy **20071206032547] =
[Vectorise case of unit correctly
Roman Leshchinskiy **20071205221305] =
[Teach vectorisation about singletonP
Roman Leshchinskiy **20071205221240] =
[Optimise desugaring of parallel array comprehensions
Roman Leshchinskiy **20071205221213] =
[Teach vectorisation about tuple datacons
Roman Leshchinskiy **20071205050221] =
[Track additions to package ndp
Roman Leshchinskiy **20071205042649] =
[Track changes to package ndp
Roman Leshchinskiy **20071205033859] =
[Improve pretty-printing of InstDecl
simonpj@microsoft.com**20071210083053
=
Fixes Trac #1966. =
=
] =
[Comments only
Pepe Iborra **20071208204815] =
[Refactoring only
Pepe Iborra **20071208195222
=
Suspensions in the Term datatype used for RTTI
always get assigned a Type, so there is no reason
to juggle around with a (Maybe Type) anymore. =
=
] =
[Change the format used by :print to show the content of references
Pepe Iborra **20071208193013
=
This comes as result of the short discussion linked below.
=
http://www.haskell.org/pipermail/cvs-ghc/2007-December/040049.html
=
] =
[Help the user when she tries to do :history without :trace
Pepe Iborra **20071208180918
=
Teach GHCi to show a "perhaps you forgot to use :trace?" when
it finds that the user is trying to retrieve an empty :history
=
] =
[Prevent the binding of unboxed things by :print
Pepe Iborra **20071208181830] =
[Coercions from boxy splitters must be sym'ed in pattern matches
Manuel M T Chakravarty **20071208105018] =
[Properly keep track of whether normalising given or wanted dicts
Manuel M T Chakravarty **20071207071302
- The information of whether given or wanted class dictionaries where
normalised by rewriting wasn't always correctly propagated in TcTyFuns,
which lead to malformed dictionary bindings.
- Also fixes a bug in TcPat.tcConPat where GADT equalities where emitted i=
n
the wrong position in case bindings (which led to CoreLint failures).
] =
[TcPat.tcConPat uses equalities instead of GADT refinement
Manuel M T Chakravarty **20071120071208
* This patch implements the use of equality constraints instead of GADT
refinements that we have been discussing for a while.
* It just changes TcPat.tcConPat. It doesn't have any of the simplificati=
on
and dead code removal that is possible due to this change.
* At the moment, this patch breaks a fair number of GADT regression tests.
] =
[Use installPackage for register --inplace as well as installing
Ian Lynagh **20071207234652
We also need to do the GHC.Prim hack when registering inplace or the
tests that use it fail.
] =
[Fix the libraries Makefile
Ian Lynagh **20071205125015
x && y
is not the same as
if x; then y; fi
as the latter doesn't fail when x fails
] =
[Copy hscolour.css into dist/... so it gets installed with the library docs
Ian Lynagh **20071205013703] =
[Add the hscolour.css from hscolour 1.8
Ian Lynagh **20071205011733] =
[BIN_DIST_INST_SUBDIR Needs to be defined in config.mk so ./Makefile can se=
e it
Ian Lynagh **20071207121317] =
[#include ../includes/MachRegs.h rather than just MachRegs.h
Ian Lynagh **20071205170335
This fixes building on NixOS. I'm not sure why it worked everywhere else,
but not on NixOS, before.
] =
[Fix bindist creation: readline/config.mk is gone
Ian Lynagh **20071203123031] =
[FIX #1843: Generate different instructions on PPC
Ian Lynagh **20071203123237
The old ones caused lots of
unknown scattered relocation type 4
errors. Patch from Chris Kuklewicz.
] =
[Refactor gen_contents_index
Ian Lynagh **20071207183538
Also fixes it with Solaris's sh, spotted by Christian Maeder
] =
[Use GHC.Exts rather than GHC.Prim
Ian Lynagh **20071202234222] =
[Alter the base:GHC.Prim hack in installPackage, following changes in base
Ian Lynagh **20071202215719] =
[Remove debug warning, and explain why
simonpj@microsoft.com**20071207170507] =
[comment only
Simon Marlow **20071206092422] =
[comment typo
Simon Marlow **20071206092412] =
[add Outputable instance for OccIfaceEq
Simon Marlow **20071206092403] =
[Workaround for #1959: assume untracked names have changed
Simon Marlow **20071206092349
This fixes the 1959 test, but will do more recompilation than is
strictly necessary (but only when -O is on). Still, more
recompilation is better than segfaults, link errors or other random
breakage.
] =
[FIX part of #1959: declaration versions were not being incremented correct=
ly
Simon Marlow **20071206084556
We were building a mapping from ModuleName to [Occ] from the usage
list, using the usg_mod field as the key. Unfortunately, due to a
very poor naming decision, usg_mod is actually the module version, not
the ModuleName. usg_name is the ModuleName. Since Version is also an
instance of Uniquable, there was no type error: all that happened was
lookups in the map never succeeded. I shall rename the fields of
Usage in a separate patch.
=
This doesn't completely fix #1959, but it gets part of the way there.
=
I have to take partial blame as the person who wrote this fragment of
code in late 2006 (patch "Interface file optimisation and removal of
nameParent").
] =
[move FP_FIND_ROOT after the "GHC is required" check
Simon Marlow **20071205101814] =
[FIX #1110: hackery also needed when running gcc for CPP
Simon Marlow **20071205150230] =
[Teach :print to follow references (STRefs and IORefs)
Pepe Iborra **20071204105511
=
Prelude Data.IORef> :p l
l =3D (_t4::Maybe Integer) : (_t5::[Maybe Integer])
Prelude Data.IORef> p :p p
p =3D GHC.IOBase.IORef (GHC.STRef.STRef {((_t6::Maybe Integer) :
(_t7::[Maybe Integer]))})
Prelude Data.IORef> :sp p
p =3D GHC.IOBase.IORef (GHC.STRef.STRef {(_ : _)})
=
=
I used braces to denote the contents of a reference.
Perhaps there is a more appropriate notation?
] =
[refactoring only
Pepe Iborra **20071202125400] =
[Change --shared to -shared in Win32 DLL docs
simonpj@microsoft.com**20071204154023] =
[protect console handler against concurrent access (#1922)
Simon Marlow **20071204153918] =
[Make eta reduction check more carefully for bottoms (fix Trac #1947)
simonpj@microsoft.com**20071204145803
=
Eta reduction was wrongly transforming
f =3D \x. f x
to
f =3D f
=
Solution: don't trust f's arity information; instead look at its
unfolding. See Note [Eta reduction conditions]
=
Almost all the new lines are comments!
=
=
] =
[Improve inlining for INLINE non-functions
simonpj@microsoft.com**20071204114955
=
(No need to merge to 6.8, but no harm if a subsequent patch needs it.)
=
The proximate cause for this patch is to improve the inlining for INLINE
things that are not functions; this came up in the NDP project. See
Note [Lone variables] in CoreUnfold.
=
This caused some refactoring that actually made things simpler. In =
particular, more of the inlining logic has moved from SimplUtils to =
CoreUnfold, where it belongs.
=
=
] =
[fix race conditions in sandboxIO (#1583, #1922, #1946)
Simon Marlow **20071204114444
using the new block-inheriting forkIO (#1048)
] =
[:cd with no argument goes to the user's home directory
Simon Marlow **20071204113945
Seems better than getting a confusing 'cannot find directory' exception.
] =
[forkIO starts the new thread blocked if the parent is blocked (#1048)
Simon Marlow **20071204110947] =
[Improve eta reduction, to reduce Simplifier iterations
simonpj@microsoft.com**20071203150039
=
I finally got around to investigating why the Simplifier was sometimes
iterating so often. There's a nice example in Text.ParserCombinators.Read=
Prec,
which produced:
=
NOTE: Simplifier still going after 3 iterations; bailing out. Size =3D 33=
9
NOTE: Simplifier still going after 3 iterations; bailing out. Size =3D 33=
9
NOTE: Simplifier still going after 3 iterations; bailing out. Size =3D 33=
9
=
No progress is being made. It turned out that an interaction between
eta-expansion, casts, and eta reduction was responsible. The change is
small and simple, in SimplUtils.mkLam: do not require the body to be
a Lam when floating the cast outwards. =
=
I also discovered a missing side condition in the same equation, so fixing
that is good too. Now there is no loop when compiling ReadPrec.
=
Should do a full nofib run though.
=
] =
[Don't default to stripping binaries when installing
Ian Lynagh **20071202195817] =
[Improve pretty-printing for Insts
simonpj@microsoft.com**20071128173125] =
[Reorganise TcSimplify (again); FIX Trac #1919
simonpj@microsoft.com**20071128173146
=
This was a bit tricky. We had a "given" dict like (d7:Eq a); then it got
supplied to reduceImplication, which did some zonking, and emerged with
a "needed given" (d7:Eq Int). That got everything confused.
=
I found a way to simplify matters significantly. Now reduceContext
- first deals with methods/literals/dictionaries
- then deals with implications
Separating things in this way not only made the bug go away, but
eliminated the need for the recently-added "needed-givens" results returne=
d
by checkLoop. Hurrah.
=
It's still a swamp. But it's a bit better.
=
] =
[FIX #1914: GHCi forgot all the modules that were loaded before an error
Simon Marlow **20071130130734] =
[FIX #1744: ignore the byte-order mark at the beginning of a file
Simon Marlow **20071130101100] =
[FIX Trac #1935: generate superclass constraints for derived classes
simonpj@microsoft.com**20071128150541
=
This bug only reports a problem with phantom types, but actually
there was quite a long-standing and significant omission in the
constraint generation for derived classes. See
Note [Superclasses of derived instance] in TcDeriv.
=
The test deriving-1935 tests both cases.
=
=
] =
[Print a bit more info in VarBinds (no need to merge)
simonpj@microsoft.com**20071128150354] =
[Check for duplicate bindings in CoreLint
simonpj@microsoft.com**20071128150214] =
[add comment
Simon Marlow **20071128111417] =
[FIX #1916: don't try to convert float constants to int in CMM optimizer
Bertram Felgenhauer **20071122095513] =
[give a more useful message when the static flags have not been initialised=
(#1938)
Simon Marlow **20071127135435] =
[Rebuild utils with the stage1 compiler when making a bindist; fixes trac #=
1860
Ian Lynagh **20071127203959
This is a bit unpleasant, as "make binary-dist" really shouldn't actually
build anything, but it works.
] =
[Remove the --print-docdir flag
Ian Lynagh **20071127195605
It wasn't doing the right thing for bindists. Let's rethink...
] =
[FIX #1925: the interpreter was not maintaining tag bits correctly
Simon Marlow **20071127122614
See comment for details
] =
[add missing instruction: ALLOC_AP_NOUPD
Simon Marlow **20071127122604] =
[Check tag bits on the fun pointer of a PAP
Simon Marlow **20071126160420] =
[canonicalise the path to HsColour
Simon Marlow **20071126141614] =
[Consistently put www. on the front of haskell.org in URLs
Ian Lynagh **20071126215256] =
[Fix some more URLs
Ian Lynagh **20071126214147] =
[Tweak some URLs
Ian Lynagh **20071126194148] =
[Fix some links
Ian Lynagh **20071126184406] =
[Copy gmp stamps into bindists, so we don't try and rebuild gmp
Ian Lynagh **20071125211919] =
[On Windows, Delete the CriticalSection's we Initialize
Ian Lynagh **20071125125845] =
[On Windows, add a start menu link to the flag reference
Ian Lynagh **20071125124429] =
[Remove html/ from the paths we put in the start menu on Windows
Ian Lynagh **20071125124150] =
[MERGED: Make ":" in GHCi repeat the last command
Ian Lynagh **20071125122020
Ian Lynagh **20071124231857
It used to be a synonym for ":r" in 6.6.1, but this wasn't documented or
known about by the developers. In 6.8.1 it was accidentally broken.
This patch brings it back, but as "repeat the last command", similar to
pressing enter in gdb. This is almost as good for people who want it to
reload, and means that it can also be used to repeat commands like :step.
] =
[MERGED: Put library docs in a $pkg, rather than $pkgid, directory; fixes t=
rac #1864
Ian Lynagh **20071124212305
Ian Lynagh **20071124171220
] =
[Don't make a library documentation prologue
Ian Lynagh **20071124211943
It's far too large now, and no-one complained when 6.8.1 didn't have one.
] =
[Don't put package version numbers in links in index.html
Ian Lynagh **20071124211629] =
[Define install-strip in Makefile
Ian Lynagh **20071124205037] =
[Define install-strip in distrib/Makefile
Ian Lynagh **20071124204803] =
[Install gmp from bindists; fixes trac #1848
Ian Lynagh **20071124185240] =
[(native gen) fix code generated for GDTOI on x86_32
Bertram Felgenhauer **20071121063942
See trac #1910.
] =
[Copy the INSTALL hack from mk/config.mk.in into distrib/Makefile-bin-vars.=
in
Ian Lynagh **20071124163028
configure will set INSTALL to ./install-sh if it can't find it in the path=
,
so we need to replace the . with the path to our root.
] =
[Make install-sh executable /before/ we try to find it
Ian Lynagh **20071124162450] =
[Document --info in the +RTS -? help
Ian Lynagh **20071123204352] =
[MERGED: If we have hscolour then make source code links in teh haddock doc=
s
Ian Lynagh **20071123233113
Fri Nov 23 13:15:59 PST 2007 Ian Lynagh
] =
[Tidy and trim the type environment in mkBootModDetails
simonpj@microsoft.com**20071123153519
=
Should fix Trac #1833
=
We were failing to trim the type envt in mkBootModDetails, so several
functions all called (*), for example, were getting into the interface.
Result chaos. It only actually bites when we do the retyping-loop thing,
which is why it's gone so long without a fix.
=
=
] =
[refactor: HscNothing and boot modules do not need desugaring
Simon Marlow **20071123135237] =
[FIX #1910: fix code generated for GDTOI on x86_32
Bertram Felgenhauer *-20071121102627] =
[Properly ppr InstEqs in wanteds of implication constraints
Manuel M T Chakravarty **20071122093002] =
[FIX #1910: fix code generated for GDTOI on x86_32
Bertram Felgenhauer **20071121102627] =
[Add built-in Double operations to vectorisation
Roman Leshchinskiy **20071122002517] =
[Teach vectorisation about Double
Roman Leshchinskiy **20071121054932] =
[Vectorise polyexprs with notes
Roman Leshchinskiy **20071121053102] =
[Make rebindable do-notation behave as advertised
simonpj@microsoft.com**20071121174914
=
Adopt Trac #1537. The patch ended up a bit bigger than I expected,
so I suggest we do not merge this into the 6.8 branch. But there
is no funadamental reason why not.
=
With this patch, rebindable do-notation really does type as if you
had written the original (>>) and (>>=3D) operations in desguared form.
=
I ended up refactoring some of the (rather complicated) error-context
stuff in TcUnify, by pushing an InstOrigin into tcSubExp and its
various calls. That means we could get rid of tcFunResTy, and the
SubCtxt type. This should improve error messages slightly
in complicated situations, because we have an Origin to hand
to instCall (in the (isSigmaTy actual_ty) case of tc_sub1).
=
Thanks to Pepe for the first draft of the patch.
=
] =
[Add DEBUG-only flag -dsuppress-uniques to suppress printing of uniques
simonpj@microsoft.com**20071116152446
=
This is intended only for debugging use: it makes it easier to
compare two variants without the variations between uniques mattering.
=
(Of course, you can't actually feed the output to the C compiler
or assembler and expect anything sensible to happen!)
=
] =
[Add -dcore-lint when validating libraries
simonpj@microsoft.com**20071105164733] =
[Fix Trac #1913: check data const for derived types are in scope
simonpj@microsoft.com**20071121151428
=
When deriving an instance, the data constructors should all be in scope.
This patch checks the condition.
=
=
] =
[Fix Trac #1909: type of map in docs
simonpj@microsoft.com**20071120160152] =
[Move file locking into the RTS, fixing #629, #1109
Simon Marlow **20071120140859
File locking (of the Haskell 98 variety) was previously done using a
static table with linear search, which had two problems: the array had
a fixed size and was sometimes too small (#1109), and performance of
lockFile/unlockFile was suboptimal due to the linear search.
Also the algorithm failed to count readers as required by Haskell 98
(#629).
=
Now it's done using a hash table (provided by the RTS). Furthermore I
avoided the extra fstat() for every open file by passing the dev_t and
ino_t into lockFile. This and the improvements to the locking
algorithm result in a healthy 20% or so performance increase for
opening/closing files (see openFile008 test).
] =
[FIX Trac #1825: standalone deriving Typeable
simonpj@microsoft.com**20071120125732
=
Standalone deriving of typeable now requires you to say
instance Typeable1 Maybe
which is exactly the shape of instance decl that is generated
by a 'deriving( Typeable )' clause on the data type decl.
=
This is a bit horrid, but it's the only consistent way, at least
for now. If you say something else, the error messages are helpful.
=
MERGE to 6.8 branch
=
] =
[FIX #1715: egregious bug in ifaceDeclSubBndrs
simonpj@microsoft.com**20071120111723
=
ifaceDeclSubBndrs didn't have an IfaceSyn case; but with type
families an IfaceSyn can introduce subordinate binders. Result:
chaos.
=
The fix is easy though. Merge to 6.8 branch.
=
=
] =
[Always do 'setup makefile' before building each library
Simon Marlow **20071120103329
This forces preprocessing to happen, which is necessary if any of the
.hsc files have been modified. Without this change, a 'setup
makefile' would be required by hand after a .hsc file changed.
Fortunately 'setup makefile' isn't much extra work, and I've made it
not overwrite GNUmakefile if it hasn't changed, which avoids
recalculating the dependencies each time.
] =
[FIX #1847 (improve :browse! docs, fix unqual)
claus.reinke@talk21.com**20071108013147
=
- add example to docs, explain how to interpret =
output of `:browse! Data.Maybe`
- print unqualified names according to current =
context, not the context of the target module
=
] =
[Track changes to package ndp
Roman Leshchinskiy **20071120033716] =
[Temporary hack for passing PArrays from unvectorised to vectorised code
Roman Leshchinskiy **20071120024545] =
[Bind NDP stuff to [:.:] arrays
Roman Leshchinskiy **20071119020302] =
[Don't treat enumerations specially during vectorisation for the moment
Roman Leshchinskiy **20071119013729] =
[Fix bugs in vectorisation of case expressions
Roman Leshchinskiy **20071119013714] =
[More built-in NDP combinators
Roman Leshchinskiy **20071119012205] =
[New vectorisation built-ins
Roman Leshchinskiy **20071118051940] =
[Fix bug in conversion unvect/vect
Roman Leshchinskiy **20071118051926] =
[Extend built-in vectorisation environments
Roman Leshchinskiy **20071118045219] =
[Fix bug in generation of environments for vectorisation
Roman Leshchinskiy **20071118045203] =
[Add builtin var->var mapping to vectorisation
Roman Leshchinskiy **20071118042605] =
[Extend vectorisation built-in mappings with datacons
Roman Leshchinskiy **20071118034351] =
[Change representation of parallel arrays of enumerations
Roman Leshchinskiy **20071118033355] =
[Add vectorisation-related builtin
Roman Leshchinskiy **20071118031513] =
[Teach vectorisation about Bool
Roman Leshchinskiy **20071117042714] =
[Incomplete support for boxing during vectorisation
Roman Leshchinskiy **20071117040739] =
[Make sure some TyCons always vectorise to themselves
Roman Leshchinskiy **20071117040537] =
[Simple conversion vectorised -> unvectorised
Roman Leshchinskiy **20071117023029] =
[Fix bug in case vectorisation
Roman Leshchinskiy **20071117015014] =
[Vectorisation of algebraic case expressions
Roman Leshchinskiy **20071116074814] =
[More vectorisation-related built-ins
Roman Leshchinskiy **20071116061831] =
[Vectorisation utilities
Roman Leshchinskiy **20071116051037] =
[Add vectorisation built-ins
Roman Leshchinskiy **20071116050959] =
[Fix vectorisation of binders in case expressions
Roman Leshchinskiy **20071116021833] =
[Two small typos in the flags summary (merge to 6.8 branch)
simonpj@microsoft.com**20071119134639] =
[Improve the situation for Trac #959: civilised warning instead of a trace =
msg
simonpj@microsoft.com**20071119122938
=
This doesn't fix the root cause of the bug, but it makes the report
more civilised, and points to further info.
=
] =
[FIX Trac #1806: test for correct arity for datacon in infix pattern patch
simonpj@microsoft.com**20071119114301
=
Happily the fix is easy; pls merge
=
] =
[Accept x86_64-*-freebsd* as well as amd64-*-freebsd* in configure.ac
Ian Lynagh **20071117154502
Patch from Brian P. O'Hanlon
] =
[Attempt at fixing #1873, #1360
Simon Marlow **20071116152148
=
I think I figured out a reasonable way to manage the GHCi context,
comments welcome.
=
Rule 1: external package modules in the context are persistent. That
is, when you say 'import Data.Maybe' it survives over :load, :add,
:reload and :cd.
=
Rule 2: :load and :add remove all home-package modules from the
context and add the rightmost target, as a *-module if possible. This
is as before, and makes sense for :load because we're starting a new
program; the old home-package modules don't make sense any more. For
:add, it usually does what you want, because the new target will
become the context.
=
Rule 3: any modules from the context that fail to load during a
:reload are remembered, and re-added to the context at the next
successful :reload.
=
Claus' suggestion about adding the "remembered" modules to the prompt
prefixed with a ! is implemented but commented out. I couldn't
decide whether it was useful or confusing.
=
One difference that people might notice is that after a :reload where
there were errors, GHCi would previously dump you in the most recent
module that it loaded. Now it dumps you in whatever subset of the
current context still makes sense, and in the common case that will
probably be {Prelude}.
] =
[Wibble to fix Trac #1901 (shorten messsage slightly)
simonpj@microsoft.com**20071116150341] =
[Improve links from flag reference to the relevant section; and improve doc=
of RankN flags
simonpj@microsoft.com**20071116145816] =
[FIX Trac #1901: check no existential context in H98 mode
simonpj@microsoft.com**20071116145609] =
[Improve documentation of data type declarations (Trac #1901)
simonpj@microsoft.com**20071116081841] =
[Change the command-line semantics for query commands
Simon Marlow **20071116132046
=
From the help text:
=
Commands that query the package database (list, latest, describe,
field) operate on the list of databases specified by the flags
--user, --global, and --package-conf. If none of these flags are
given, the default is --global --user.
=
This makes it possible to query just a single database (e.g. the
global one without the user one), which needed tricks to accomplish
before.
] =
[use "ghc-pkg latest --global" instead of "ghc-pkg list --simple-output"
Simon Marlow **20071116122018
The former now does the right thing: it uses the global database only,
and picks the most recent package with the given name.
] =
[Disallow installing packages whose names differ in case only.
Simon Marlow **20071116121153
--force overrides. Requested by Duncan Coutts, with a view to
treating package names as case-insensitive in the future.
] =
[FIX BUILD (with GHC 6.2.x): update .hi-boot file
Simon Marlow **20071116101227] =
[FIX #1828: installing to a patch with spaces in =
Simon Marlow **20071115155747
We have to pass the path to gcc when calling windres, which itself
might have spaces in. Furthermore, we have to pass the path to gcc's
tools to gcc. This means getting the quoting right, and after much
experimentation and reading of the windres sources I found something
that works: passing --use-temp-files to windres makes it use its own
implementation of quoting instead of popen(), and this does what we
want. Sigh.
] =
[on Windows, install to a directory with spaces (test for #1828)
Simon Marlow **20071115155327] =
[FIX #1679: crash on returning from a foreign call
Simon Marlow **20071115131635
We forgot to save a pointer to the BCO over the foreign call. Doing
enough allocation and GC during the call could provoke a crash.
] =
[Avoid the use of unversioned package dependencies
Simon Marlow **20071115103249
Fortunately "ghc-pkg list $pkg --simple-output" is a good way to add
the version number.
] =
[FIX #1596 (remove deprecated --define-name)
Simon Marlow **20071114165323
Also remove the old command-line syntax for ghc-pkg, which was not
documented. Do not merge.
] =
[FIX #1837: remove deprecated support for unversioned dependencies (do not =
merge)
Simon Marlow **20071114161044
=
] =
[wibble
Pepe Iborra **20071114233356] =
[Make pprNameLoc more robust in absence of loc information
Pepe Iborra **20071114233343] =
[Try to manage the size of the text rendered for ':show bindings'
Pepe Iborra **20071114231601] =
[Make the Term ppr depth aware
Pepe Iborra **20071114183417] =
[Use paragraph fill sep where possible
Pepe Iborra **20071114181233] =
[Make SpecConstr work again
simonpj@microsoft.com**20071115084242
=
In a typo I'd written env instead of env', and as a result RULES are
practically guaranteed not to work in a recursive group. This pretty
much kills SpecConstr in its tracks!
=
Well done Kenny Lu for spotting this. The fix is easy.
=
Merge into 6.8 please.
=
=
=
] =
[Documentation only - fix typo in flags reference
Tim Chevalier **20071115055748] =
[Avoid making Either String an instance of Monad in the Haddock parser
David Waern **20071114204050] =
[FIX 1463 (implement 'ghc-pkg find-module')
claus.reinke@talk21.com**20071109162652
=
- the ticket asks for a module2package lookup in ghc-pkg
(this would be useful to have in cabal, as well)
=
- we can now ask which packages expose a module we need,
eg, when preparing a cabal file or when getting errors
after package reorganisations:
=
$ ./ghc-pkg-inplace find-module Var
c:/fptools/ghc/driver/package.conf.inplace:
(ghc-6.9.20071106)
=
$ ./ghc-pkg-inplace find-module Data.Sequence
c:/fptools/ghc/driver/package.conf.inplace:
containers-0.1
=
- implemented as a minor variation on listPackages
=
(as usual, it would be useful if one could combine =
multiple queries into one)
=
] =
[remove --define-name from the --help usage message (#1596)
Simon Marlow **20071114153417
=
] =
[FIX #1837: emit deprecated message for unversioned dependencies
Simon Marlow **20071114153010] =
[Fix #782, #1483, #1649: Unicode GHCi input
Simon Marlow **20071114151411
GHCi input is now treated universally as UTF-8, except for the Windows
console where we do the correct conversion from the current code
page (see System.Win32.stringToUnicode).
=
That leaves non-UTF-8 locales on Unix as unsupported, but (a) we only
accept source files in UTF-8 anyway, and (b) UTF-8 is quite ubiquitous
as the default locale.
=
] =
[Fix build
David Waern **20071114125842
I had forgot to update HaddockLex.hi-boot-6, so the build with 6.2.2 =
failed. This fixes that.
] =
[FIX Trac 1662: actually check for existentials in proc patterns
simonpj@microsoft.com**20071114112930
=
I'd fixed the bug for code that should be OK, but had forgotten to =
make the test for code that should be rejected! =
=
Test is arrowfail004
=
] =
[FIX Trac 1888; duplicate INLINE pragmas
simonpj@microsoft.com**20071114104701
=
There are actually three things here
- INLINE pragmas weren't being pretty-printed properly
- They were being classified into too-narrow boxes by eqHsSig
- They were being printed in to much detail by hsSigDoc
=
All easy. Test is rnfail048.
=
] =
[Run the -frule-check pass more often (when asked)
simonpj@microsoft.com**20071114104632] =
[GHCi debugger: added a new flag, -fno-print-binding-contents
Pepe Iborra **20071113174539
=
The contents of bindings show at breakpoints and by :show bindings
is rendered using the same printer that :print uses.
But sometimes the output it gives spans over too many lines and the
user may want to be able to disable it.
] =
[Fix Trac 1865: GHCi debugger crashes with :print
Pepe Iborra **20071113170113] =
[Replaced two uses of head b explicit pattern matching
Pepe Iborra **20071013113136] =
[Print binding contents in :show bindings
Pepe Iborra **20071006123952] =
[ Leftovers from the 1st GHCi debugger prototype
Pepe Iborra **20071004204718] =
[Following an indirection doesn't count as a RTTI step
Pepe Iborra **20070928091941] =
[FIX #1653 (partially): add -X flags to completion for :set
Simon Marlow **20071113153257] =
[Merge from Haddock: Add <> for images
David Waern **20071112220537
A merge of this patch:
=
Mon Aug 7 16:22:14 CEST 2006 Simon Marlow
* Add <> for images
Submitted by: Lennart Augustsson
=
Please merge to the 6.8.2 branch.
] =
[Improve documentation of INLINE, esp its interactions with other transform=
ations
simonpj@microsoft.com**20071112160240] =
[Comment re Trac #1220
simonpj@microsoft.com**20071112154109] =
[Merge from Haddock: Modify lexing of /../
David Waern **20071112023856
=
Tue Aug 28 11:19:54 CEST 2007 Simon Marlow
* Modify lexing of /../ =
This makes /../ more like '..', so that a single / on a line doesn't
trigger a parse error. This should reduce the causes of accidental
parse errors in Haddock comments; apparently stray / characters are
a common source of failures.
=
Please merge this to the 6.8.2 branch.
] =
[Merge from Haddock: allow blank lines inside code blocks
David Waern **20071112013439
=
Tue Jan 9 14:14:34 CET 2007 Simon Marlow
* allow blank lines inside a @...@ code block
=
Please merge this to the 6.8.2 branch
] =
[Merge of a patch from the old Haddock branch:
David Waern **20071112013143
=
Fri Jan 5 12:13:41 CET 2007 Simon Marlow
* Fix up a case of extra vertical space after a code block
=
Please merge this to the 6.8.2 branch
] =
[Remove ex-extralibs from libraries/Makefile
Ian Lynagh **20071111213618] =
[Remove the X11 and HGL libraries from extralibs
Ian Lynagh **20071111213447
Don Stewart, X11 maintainer, requested we remove X11, and HGL depends on i=
t
on Linux (and we don't try to build HGL on Windows).
] =
[arrows is no longer an extralib
Ian Lynagh **20071027123656] =
[Turn -fprint-bind-result off by default
Ian Lynagh **20071111001126] =
[TAG 2007-11-11
Ian Lynagh **20071111161540] =
Patch bundle hash:
cc5521704708d436ff2882ba67eede0977f29fc3
--=_--
.